Помогите пожалуйста. Complete each sentence with two to five words including

Помогите пожалуйста.
Complete each sentence with two to five words including the word in bold.
1).When did Paul sell his house?(since)How long is it .................house?
2).Mark started playing the guitar three years ago.(has)Mark .................playing the guitar for three years.
3).The children haven't finished their homework yet.(still)The children...........their homework.
4).When did you last decorate your living-room?(since)How long is it ..................your living-room.
5).We haven't called the plumber yet.(still)We....................the plumber.